How to Block Emails From Undisclosed Recipients

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Unfortunately there is no foolproof way to block all emails from undisclosed recipients. Spammers are constantly adjusting their tactics to try to get around spam controls and into your email's inbox. It's almost impossible to lock them all out. You can, however, significantly reduce the amount of emails you receive from undisclosed recipients by creating filters designed to block mail from known spam domains, as well as block all emails actually addressed to "undisclosed recipients."

Things You'll Need

  • Microsoft Outlook 2010
  • Gmail
  • Yahoo mail

Block Email from Known Spam Domain Outlook

  • Launch Microsoft Outlook.

  • Open the undisclosed recipients email. Look at the "From" field of the email header. Make a note of the domain name portion of the sender's email address. The domain name is the part of the email address which follows the @ symbol. For instance, in the mock email address spam@example.com, "example.com" is the domain name.

  • Go to the "Home" tab. Click "Junk" then select "Junk E-mail" options.

  • Click "Add" on the "Block Senders" tab.

  • Enter the domain name used by the undisclosed recipient email in the provided field box.

  • Click "OK."

Block Emails Addressed to "Undisclosed Recipients" in Gmail

Block Email from Known Spam Domain in Gmail

  • Open the "Create a filter" dialog box.

  • Enter the domain name used by the undisclosed recipient email in the "From" field box. Click "Next Step."

  • Select "Delete It" Click "Create Filter."

Block Emails Addressed to "Undisclosed Recipients" Yahoo Mail

  • Log into your Yahoo Mail account.

  • Click "Options" in the upper right corner of the window. Select "More Options." In the left-side window panel, select "Filter." Click "New Filter." The "Filters" dialog box will open.

  • Type "Undisclosed Recipients" in the "Filter name" field box and the "Recipients" field box.

  • Select "Trash" from the "Move to Folder" drop-down menu. Click "Save Changes."

Block Email from Known Spam Domain in Yahoo Mail

  • Open the "Filters" dialog box.

  • Enter a name for the filter you're creating in the "Filter name" box.

  • Type the domain name used by the undisclosed recipient email in the "Sender" field box. Select "Trash" from the "Move to Folder" drop-down menu. Click "Save Changes."

References

  • Photo Credit Jupiterimages/BananaStock/Getty Images
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